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Miller Trailblazer 325 Diesel User Manual

Miller Trailblazer 325 Diesel
68 pages
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OWNER’S MANUAL
OM-279836L
2020-10
Processes
Multiprocess Welding
Description
Engine Driven Welder/Generator
For product information,
Owner’s Manual translations,
and more, visit
www.MillerWelds.com
Trailblazer
®
325 Diesel

Table of Contents

Questions and Answers:

Miller Trailblazer 325 Diesel Specifications

General IconGeneral
Duty Cycle100%
Fuel Capacity12 gallons
Welding Amperage Range20 - 325 A
Engine Power24.8 hp (18.5 kW)
Maximum Output325 Amps
TypeEngine Driven Welding Generator
Rated Output325 A
Max Open Circuit Voltage80 VDC
Welding ProcessesStick (SMAW), TIG (GTAW), MIG (GMAW), Flux-Cored (FCAW)
Generator Power10, 000 Watts (Peak)
Auxiliary Power120/240 VAC

Summary

SECTION 1 – SAFETY PRECAUTIONS

CYLINDERS can explode if damaged.

Hazards associated with compressed gas cylinders, including explosion risk if damaged.

1-4. Compressed Air Hazards

Hazards associated with compressed air equipment, systems, and air streams.

1-5. Additional Hazards For Installation, Operation, And Maintenance

Covers various additional hazards not categorized elsewhere.

1-2. Arc Welding Hazards

Details potential hazards associated with arc welding processes and equipment.

FLYING METAL OR DIRT can injure eyes.

Hazards from sparks, metal fragments, and slag during welding operations.

1-3. Engine Hazards

Details hazards related to the engine, including battery, fuel, and moving parts.

COMPRESSED AIR EQUIPMENT can injure or kill.

Risks from improper installation or operation of compressed air equipment.

OVERHEATING can damage motors.

Risks of motor damage due to overheating and avoiding low voltage.

FUMES AND GASES can be hazardous.

Risks from inhaling welding fumes and gases; ventilation and respirator requirements.

BATTERY EXPLOSION can injure.

Hazards associated with battery handling, including explosion risk from gases.

FLYING SPARKS can injure.

Hazards from flying sparks and the need for face protection.

WELDING can cause fire or explosion.

Hazards from sparks, hot materials, and flammable atmospheres during welding.

FUEL can cause fire or explosion.

Risks of fire and explosion related to fuel handling and storage.

MOVING PARTS can injure.

Dangers associated with moving parts.

COMPRESSED AIR can injure or kill.

Dangers of compressed air itself, including pressure relief and air streams.

ARC RAYS can burn eyes and skin.

Risks from intense visible and invisible rays produced by the welding arc.

BREATHING COMPRESSED AIR can injure or kill.

Prohibition of using compressed air for breathing due to toxicity.

BATTERY CHARGING OUTPUT and BATTERY EXPLOSION can injure.

Hazards related to battery charging, including explosion and acid exposure.

HIGH PRESSURE FLUIDS can injure or kill.

Dangers from high-pressure fluids in fuel systems.

HOT PARTS can burn.

Warning about touching hot compressor or air system parts.

STEAM AND HOT COOLANT can burn.

Risks of burns from hot steam and coolant, especially during checks.

OVERUSE can cause OVERHEATING.

Consequences of overuse leading to overheating.

Using a generator indoors CAN KILL YOU IN MINUTES.

Extreme danger of carbon monoxide poisoning from generator exhaust indoors.

SECTION 4 – SPECIFICATIONS

4-7. Duty Cycle And Overheating

Explains duty cycle and the risks of overheating the unit.

4-4. Weld, Power, And Engine Specifications

Details welding modes, output, generator power, fuel capacity, and engine specifications.

SECTION 5 – INSTALLATION

5-5. Engine Prestart Checks And Overview

Details pre-start checks and provides an overview of engine components.

SECTION 6 – OPERATION

6-2. Description Of Front Panel Controls

Provides detailed descriptions of each front panel control and indicator light.

6-3. Process/Contactor Switch

Explains the function and settings of the process/contactor switch.

6-6. Arc Control Settings

Explains how to adjust arc control settings for different welding processes.

6-8. Lift-Arc™ TIG With Auto-Stop™ And Auto-Crater™

Explains the Lift-Arc TIG process and its Auto-Stop and Auto-Crater features.

Weld Controls

Details remote receptacle, process switch, and adjust/select controls.

SECTION 7 – OPERATING AUXILIARY EQUIPMENT

SECTION 8 – MAINTENANCE AND TROUBLESHOOTING

8-2. Routine Maintenance

Outlines routine maintenance tasks and their recommended intervals.

8-3. Engine Maintenance Activities

Details specific maintenance procedures for the engine, including oil, fuel, and coolant.

8-7. Voltmeter/Ammeter Error Displays

Lists common error displays and their descriptions for troubleshooting.

8-8. Troubleshooting Tables

Provides tables to help diagnose and resolve common welding, generator, and engine problems.

C. Engine

Troubleshooting table for engine starting and running problems.

WARRANTY

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